The most important things to be able to recognise on a vape battery are the positive and negative terminals. Cd = Battery contains more than 0,002 Mass per cent cadmium. Pb = Battery contains more than 0.004 Mass per cent lead. The symbols shown on the batteries have the following meaning: The symbol of the by crossed trash can means that the battery may not be given into the domestic garbage. When this is the case, it is possible that battery B will be further discharged by forced current from battery A. If the poles of your voltmeter are correctly connected, there is a possibility that the battery suffered a phenomenon called “polarity reversal”. If they are switched, there will be a negative voltage. The direction of the electric current in a closed circuit is from the negative (–) terminal of the battery to the positive (+) terminal of the battery. Most battery cases are marked positive (+) on one end and negative (–) on the other. What does the plus and minus sign mean in battery? 10 What does the letter a mean on a battery?.9 What do the positive and negative signs on a battery signify?.8 When charging a car battery should it be disconnected?.6 Why did my battery light come on then go off?.5 What is the symbol for Do not throw out?.4 What is negative and positive on a battery?.2 What does the minus mean on a battery?.1 What does the plus and minus sign mean in battery?.If it doesn’t work, the attempt seems likely to have killed the battery as the red wire was connected to a pin where a negative connection would normally be – I suspect the “loop” of white and black to the same terminal visible in the photo (which are likely joined) performs the function of the battery jumper on a desktop system to ensure a reset to clear any corrupt data when the battery is changed. press the tab down with the problem to level it with the housing so the new wire locks when you push it in (note the side of the metal connector with the “gap” goes to the tab.) use a hat pin, small precision screwdriver, or similar pointed prove – insert, lift the tab and use the tip of the probe under the tab to hold it whilst withdrawing the wire. I suspect you need to swap the white and red wires on the replacement I suspect. The connectors are likely JST but the Molex one with flatter pins makes a better picture to put the detail on. I assume as you say it doesn’t fix the problem that it plugs in, so all you really need to do is ensure when you plug it in the colours of the wires still attach to the main board in the same order with the replacement battery even if the connector isn’t quite the right one. confirm with a meter if needs be (red should be 3V WRT black and white). You can see the battery ends are right – note the rounded edge is the side with the negative end of the battery. Most likely, the red is to positive, and needs to be swapped (cut, swapped, then spliced) with the white. But I suspect you may need to cut open the blue insulating wrap to inspect the batteries to see how the wires are attached, then rewire the replacement to match. If handy with a multimeter, you could do it that way. You are going to have some how determine how those wires are attached. But with a keyed connector (where it can only go in one that), that is not needed. With the original and the red in the middle, that might be used for reverse polarity protection. I am confused as to why there are even 3 wires – there are only 2 poles on a battery, the Positive and Negative poles. It sounded like you were asking if the polarity of the battery matters, and yes, of course it does – isn’t that obvious? But with your picture, I see the confusion – and why it is not so obvious the red and white wires are reversed.
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